What is Read Only Memory?
ROM means read-only memory. Read-only memory is a non-volatile memory. It is used in computers, phones, tablets, and other electronic devices.

The data stored in ROM only readable but can not writeable. As read-only memory is non-volatile so the data stored here are permanent.

Read-only memory (ROM) is a type of non-volatile storage medium where data is stored permanently of Computers, phones, tablets, and other electronic devices.

ROM is mainly used to store firmware and application software. It contains the software programming needed to start a Computer, Phone, Tablet andother electronic devices, which is essential for boot-up. ROM also perform input/output tasks and holds programs/software instructions, which is essential.

Types of Read-Only Memory
1. MROM (Masked Read-only memory)
2. PROM (Programmable Read-Only Memory)

1. MROM
These types of ROM are referred to as  Programmable read-only memory. However, one of the original forms of Read-only memory was a masked-programed read-only memory. In this type of ROM contains the startup code(bootstrap). This type of ROM i.e. Mask-programmed ROM can never be changed.

2. Programmable Read-Only Memory (PROM)
PROM is a type of read-only memory that can be modified only once by a user. It is originally a blank ROM. The user enters/program the desired contents using a PROM program.

The user is capable to program the PROM chip only once because of the fuses inside it. While Programmable Read-only memory is programmed the fuses present are burned open and cannot be programmable for the next time. 

3. Electricity Programmable Read-Only Memory (EPROM)
This ROM can be erased by exposing ultra-violet light(up to 40 minutes). While programming EPROM, an electrical charge is trapped in an insulated gate region. As there is no leakage path, so the charge can be retained for more than 10 years.

4. Electricity Erasable Programmable Read-Only Memory (EEPROM) also called Flash ROM
As it names the EEPROM is programmed and erased electrically. EEPROM can be capable of erased and reprogrammed about ten thousand times.

In EEPROM Both erasing and programming take about 4 to 10 millisecond, also any location can be capable to selectively erased and programmed/reprogrammed.

The process programming and re-programming in EEPROM are flexible but slow because of it can capable of erased one byte at a time, rather than erasing the entire chip.

5. Electrically Alterable Read-Only Memory (EAROM)
It is a type of read-only memory which is erased by using ultraviolet light and then re-programmed.

Use of ROM
1. ROM is used in optical storage media such as Compact Discs(CDs), Compact Discs ROM (CD-ROM), Compact Disc Recordable (CD-R) and Compact Disc Rewritable (CD-RW).
2. Computers, Phones, Tablets, and other electronic devices.

The advantages of ROM are as follows −
1. As it is non-volatile in nature so data stored here are permanent.
2. ROM is more reliable as it does not require to refresh like RAM.
3. Low cost.
4. High capacity.

Disadvantage of ROM
1. Not fast as RAM.

Here is the most useful YouTube setting
Hello, guys here are some most useful YouTube settings that change the looks of your YouTube App. After applying this setting your YouTube app looks awesome.

Here I have a collection of top five (5) most useful YouTube setting your friends and family don't know about. If you apply this to your YouTube then it really looking very amazing. 
No 1. Dark Theme.
There is a setting in YouTube App. When you apply this theme your YouTube App really looks awesome.

It's very easy to apply this theme. Go to the setting of your YouTube App then go to General then Enable Dark theme.

After applying this theme your YouTube interface looks likes this:

No 2. Turn On Incognito.

I think you know the meaning of Incognito. Incognito meaning hiding your real name and identity.

In YouTube App, it means that your watch history is not saved. So you can watch your private videos on YouTube by Turn On Incognito.

To turn on Incognito on your YouTube App, click on your account icon which is in corner of the right side above, then Turn on Incognito.

No 3. Remind me to take a break.

It is a most useful YouTube App setting. We seat for 30 minutes on YouTube but after 1 hour we find that the time is over.

There is a setting in the YouTube App where you can set the timer how much time you want to watching your favorite videos.

To turn on this setting go to settings then general then enable the Remind me to take a break.

No 4. Watch on TV.

You can connect your YouTube to your TV. To connect to your TV to your YouTube connect to the same WiFi network as your TV. Another way to connect your TV is Link with TV code.

No 5. Scheduled Digest.

Now stop your unwanted YouTube notification while turn on your mobile data. It is a YouTube setting that helps you to manage your Mobile notification. By enabling this setting Get your all notification as a daily digest. You can set a customize delivery time.

To enable this go to the setting then notification then enable Scheduled Digest and set your time.

I think this set is very helpful to you. 

Random Access Memory

RAM
RAM stands for Random Access Memory.  It is a volatile memory, that can be accessed randomly by the computer.

In the RAM the operating system, application program, and data are kept that they can be quickly reached by the device processor.

As RAM is volatile memory so the data is retained in the RAM as long as the power supply is on, but when the power supply is off all the data are lost. In other words when the computer in turn on the data is retained in the computer, but when the computer is turned off the data is lost.

RAM is the hardware in the computing device. RAM is the main memory of the computer and it is a faster memory as compared to Read Only Memory (ROM).

In RAM we can do both reads and write of data, that's why it is called Random Access Memory. But the data are not permanent in RAM.

RAM is very important hardware memory for all Operating Systems (OS). In that case, when the computer is rebooted, the OS and other files are reloaded into RAM, usually from an HDD or SSD.

Types of RAM:
RAM are primarily two types
1. DRAM
2. SRAM

1. DRAM
DRAM stands for Dynamic Random Access Memory. It's made up typical computing device Random access Memory and it needs the power to be on to retain stored data.

In DRAM the data is continuously refreshed in every few milliseconds. In DRAM electrical capacitor is present by which the cell of the DRAM is charge or discharge. In DRAM a transistor works as a switch or as a gate which controls the capacitor value can be read or write.

DRAM is asynchronous, that means it responds immediately to data input.

2. SRAM
SRAM stands for Static Random Access Memory. It's required constant power to hold on to data. SRAM does not need to be continuously refreshed data like a DRAM.

In SRAM the translator is used instead of the capacitor. The Transistor acts as a switch. In one position the transistor serving as 1 and in the other position it serving as 0. In SRAM there are several transistors is present to retain one bit of data. SRAM is faster and uses less power as compared to DRAM.

•There are also 5 types of are available which are the classification of DRAM and SRAM.
1. SDRAM
2. SDR SDRAM
3. DDR SDRAM
4. GDDR SDRAM
5. Flash Memory

1. SDRAM
SDRAM stands for Synchronous Dynamic RAM. SDRAM is a classification of DRAM which is operated in sync with the CPU clock. SDRAM waits for the CPU clock signal before responding to data input.

The SDRAM supports pipelining because its memory is divided into separate banks, it means that what led to its widespread preference over a basic DRAM.

2. SDR SDRAM
The full form SDR SDRAM is Single Data Rate Synchronous Dynamic RAM. SDR SDRAM is the expended term for SDRAM. The two types are one an the same. It is most frequently referred to as just SDRAM. The single data rates mean that how the memory process one read or one write instruction per clock cycle of the CPU.

 SDR SDRAM has two notches on the connector with 168 pins. 

3. DDR SDRAM (DDR2, DDR3, DDR4)
Full form DDR SDRAM is Double Data Rate Synchronous Dynamic RAM. It is essentially the second generation development of SDR SDRAM.

DDR SDRAM is operating like SDR SDRAM, but comparatively, it is twice fast than SDR SDRAM. It is capable of processing two reads and two write instruction per clock cycle.

The DDR SDRAM has a single notch on the connector with 184 pins. DDR SDRAM is working at a lower standard voltage 2.5 V from 3.3 V. Standard DDR memory modules top out at 200 MHz.

•DDR2 SDRAM
DDR2 SDRAM is the evolutionary upgrade of DDR SDRAM. It also processing two reads and two write instructions per clock cycle. DDR2 SDRAM is faster than DDR SDRAM because it can run at higher clock speeds.

Standard DDR2 memory modules top clock speed up to 533 MHz. DDR2 SDRAM has 240 pins. It runs at a lower voltage 1.8 V. Due to more pins and lower voltage DDR2 SDRAM its capable to prevents backward compatibility.

•DDR3 SDRAM
DDR3 SDRAM is upgraded version of DDR2 SDRAM which improve performance through advanced signal processing, low power consumption (1.5 V), greater memory capacity, and higher standard clock speeds (up to 800 Mhz). DDR3 SDRAM also has the same number of pins as DDR2 SDRAM(240 pins).

•DDR4 SDRAM
DDR4 SDRAM is more advanced over DDR3 SDRAM.  DDR4 SDRAM improves performance with more advanced signal processing, has a greater memory capacity and lower power consumption (1.2 V).

DDR4 SDRAM has higher standard clock speeds up to 1600 Mhz. DDR4 SDRAM uses a 288-pin configuration, which prevents backward compatibility.

4. GDDR SDRAM (GDDR2, GDDR3, GDDR4, GDDR5)
GDDR SDRAM stands for Graphics Double Data Rate Synchronous Dynamic RAM, it is a type of DDR SDRAM. GDDR SRAM is specially designed for video graphics rendering, typically it in conjunction with a dedicated Graphical Processing Unit (GPU) on a video card.

Similar to DDR SDRAM, GDDR SDRAM has its own upgraded version which improving performance and lowering the power consumption. GDDR2 SDRAM, GDDR3 SDRAM, GDDR4 SDRAM, and GDDR5 SDRAM respectively are the upgraded versions of GDDR SDRAM.

5. Flash Memory
Flash memory is a type of non-volatile storage medium that able to retains all data after the power supply has been cut off. Flash memory is form and operation i.e. storage and data transfer to a solid-state drive(SSD).

•Flash memory is most commonly used in:
1. USB flash drivers
2. Memory Card
3. Portable media players
4. PDAs
5. Printers.

Difference between SRAM and DRAM
1. SRAM is static RAM but DRAM is dynamic RAM.
2. SRAM requires several transistors to retain one bit of data but DRAM needs one transistor for one bit.
3. SRAM chips are larger and expensive but DRAM chips are small and less expensive as compared to SRAM.
4. SRAM uses a small amount as a cache memory but a DRAM can not.

Use of RAM
Random Access Memory is found in Computers, Servers, Tablets, Smartphones and other devices, such as printers.

RAM is a type of memory which is used by currently running data processing, task or by operation in devices. RAM is temporary but fast computer data storage that stores the data and program that currently being used.

Working of RAM
A RAM allows data items to be read and written in almost the same amount of time irrespective of the where is the location of data inside the memory.

To connect the data lines to the address storage for reading and writing the entry the RAM contains multiplexing and demultiplexing circuitry.

In RAM more than one bit of storage is accessed by the same address. RAM often has multiple data lines and are called 8-bit, 16-bit etc.

RAM vs. ROM

1. Read and write
In ROM we can only read the memory containing data but we cannot write. In RAM we can do both reads and write of data.

2. Memory type
RAM is a volatile memory so, the data retained available here are as long as the power supply is on.

ROM is a nonvolatile memory so data available here are permanent, it contains data without any power supply.

3. Memory capacity
RAM size is smaller as compared to ROM.

4. Speed
The speed of RAM is faster as compared to ROM.

5. Price
Price of RAM is much more than ROM.

History of RAM
The earliest RAM is used in a very first computer in the 1940s. This types of RAMs are magnetic-core memory relied on an array of magnetized rings.

The data could be stored in this types of by magnetizing each ring individually, so it is required to wired each ring separately, it results in fairly large installation.

A single ring is capable to store a single bit of data and the direction of magnetization will indicate zero or one.

Consequently, technological advances resulted in smaller devices that could store more information but working on the same principle of RAM.

The memory unit below is about 10 x 10 cm and it is capable to store 1,024 bits. Which is very small as compared to today's standards, but it was state-of-the-art in the 1960s.

Important of RAM
The overall performance of a computer depends upon how fast your CPU and RAM worked together. If your computer has more RAM then CPU can access fast as compare to low RAM devices. If a device has more RAM then, more amount of data, instruction, and the program can be stored there, so the CPU can fast access to that data, instruction, and program, which speeds up a to perform given task to the computer.

If your device has a low RAM or insufficient amount of RAM the CPU works much slower and hard to data transfer, it causes severally damage the performance of the computer. So for a device sufficient amount of RAM is required to perform a normal operation by the CPU.

RAM is very important for an Operating system or a software. Every piece of software required a minimum amount of memory and space to run smoothly.

 If a computer does not have a sufficient amount of RAM to support all the software systems, then the software can't run properly, they are moving too slow or cannot run. Additionally, if a device cannot have enough ROM then the software not run at all.

Disadvantages Of RAM
1. RAM is nonvolatile memory, so when the power is lost the data is also lost.
2. In RAM space is limited.
3. Cost of RAM is high.

Example of RAM
These are the example of RAM-
1. DRAM.
2. SRAM.
3. SDRAM
4. SDR SDRAM
5. DDR SDRAM
6. GDDR SDRAM
7. Flash Memory

Conclusion
In today's technology, RAM is made by the integrated circuits (IC), which is made by the semiconductor. RAM is a type of volatile memory, where the stored information is lost when the power supply is off. In today's technology non-volatile RAM is developed, which is capable to store information when the power supply is Off. 

Cache memory is very high-speed Static Random Access Memory(SRAM). Cache memory is also called the Central Processing Unit(CPU) memory.

Cache memory is also very expensive. The cache memory is made up of the semiconductor.

The cache memory is faster than regular Random Access Memory(RAM). Computer processor accesses the cache memory more quickly than regular RAM because of the cache memory is integrated directly into the CPU.

The work of a cache memory in a computer is to store data and programs that are repeatedly used in the operation of programs for a different task.

The CPU is search data and instruction in the cache memory before search in the main memory. If the data or instruction is available then the processor takes data from there for the fast operation.

The cache memory in a computer is used for fast operation and improve the performance.
The cache memory stores the program instruction and data that are frequently used by the computer, which is CPU need for next time.

The main work of a cache memory is to speed up an operation by saving the important data and instruction that are required for fast operation.


Cache memory is extremely important for a computer because it is a very high-speed memory(SRAM) and it provides very fast cache data for the processor to do programs or task at high speed.

Due to this cache memory, the computer processor does not need to access data which is stored in the memory again and again. The cache memory stores the important data instruction which can be directly accessed by the microprocessor. So it's reduced the access time of CPU for the required data instruction. Thus it increases the performance of a computer.

If the cache memory is not present in the computer than the computer operation is much slower by using primary memory.
Because the computer needs to access the primary memory again and again and it will take a little time.

Speed: The cache memory is different from the primary memory, the access time of cache memory by the CPU is less than the primary memory.

Location in the motherboard: The cache memory is inside the CPU, there is no need to connect the cache memory by Bus to the CPU. But the primary memory is separately palaces from the CPU in the motherboard of the computer and it needed to connect the primary memory with CPU by Memory Bus.

Storage capacity: The size of storage in the cache memory is much lower than the primary memory.

Size: The size of the cache memory is much smaller than the primary memory in the computer.

Cost: As the cache memory is faster than the primary memory so it is much expensive as compare to the primary memory.




There are three types of cache memory in the CPU

1. L1 cache
2. L2 cache
3. L3 cache


L1 cache
L1 cache is the fastest cache memory in the CPU. L1 cache is smaller in size. It from 2KB to 1.5MB.

The L1 cache memory is the main cache memory of CPU. It used first by the CPU if the required data is there. If the computer processor does not find the information looking for then it will go to the L2 cache and if it is not found in the L2 cache then the processor goes to the L3 cache memory.

L2 cache
The L2 cache memory is slower and lower than the L1 cache and lager in size. The range of size of the L2 cache is 256KB to 8MB. It is a secondary cache memory used by the computer after the L1 cache.

L3 cache
L3 cache memory is a lower cache memory of CPU. The L3 cache is larger in size is between 1MB to 32MB. If the processor does not find the information in L1 cache and L2 cache memory then the CPU search in the L3 cache memory.

The size of the cache memory

The size of a cache memory is much smaller than the primary memory. The size of the cache memory is in between 2KB to 32MB.

L1 cache memory size- 2KB to 1.5MB

L2 cache memory size- 256KB to 8MB

L3 cache memory size- 1MB to 32MB

L1 cache<L2 cache<L3 cache

advantages of cache memory

The cache memory is very useful for a computer to do fast operations. The cache memory has the following advantages

1. Fast Memory
It is faster than main memory. The cache memory is directly accessed by the computer processor.

2. Access time
The access time of cache memory is extremely small as compared to the main memory.

The cache memory is located in CPU and the CPU can directly access the cache memory.

3. Stores program.
It stores the required program that can be executed within a short period of time.

4. Temporary data.
It stores data for temporary use. The data saved in the cache memory is only for temporary use, it can't save data permanently.



1. Price
The cache memory is very expensive as compared to main memory.

2. Memory capacity
The cache memory has a limited storage capacity. So all programs can't be saved in the cache memory.


There are three types of cache memory mapping is used.

1. Direct mapped cache.
2. Fully associative cache mapping.
3. Set associative cache mapping.

1. Direct mapped cache
In this type of cache, each block is mapped to exactly one cache memory location.

Direct mapped cache rows in a table with three columns. The data block or cache line that contains the data fetched and stored, a tag with part or all of the address of the data that was fetched. A flag bit that shows the presence in the raw entry of a valid bit of data.


This cache mapping is similar to direct mapping in structure but the difference is it allows a block to be mapped to any cache location rather than to a prespecified cache memory location as in the case with direct mapping.

3. Set associative cache mapping.
This mapping is a compromise between direct mapping and fully associative mapping in which every block is mapped to a subset of cache locations.

Important of  cache memory to improve the performance of a computer 

The cache memory is used in a computer for fast operation and improve the performance.
The cache memory stores the program instruction and data that are frequently used, which are CPU may be a need for next time.

The computer CPU can access this data and instruction very quickly from cache memory as compared to the main memory. So the cache speeds up a computer processor.


The cache memory is very important for a computer because of it increase the performance. The disadvantage with case memory is it is very expensive and low storage capacity.

What is a battery saver?

Battery saver is an application that is designed to save android phone battery and optimize it.

Battery Saver software has also increased the phone performance. But actually not works. It consumes the phone battery and reduces the phone performance.

Here I am going to fully explain why battery saver applications are not working, it reduces the phone performance and consumed more battery by your android phone.

What does the battery saver mode do?

The battery saver mode is an instruction that asks the operating system to use power only in important tasks in the device. When the battery saver mode is on then only particular task is done, another secondary task is fully to stop by the operating system.

By using this setting you can increase the battery life of the device but it will decrease the performance. It's usually used when the battery is a low charge.

On the phone when the battery percentage is equal or less than 15% than the system ask you to turn on the battery saver mode.

In one sentanse you can say that battery saver mode is an instruction that increases the battery life but decreases the performance.

Do battery saver application really work available at play store? Does the battery save app actually save phone battery?

The answer is no! Here is why it's can't save the phone battery.

First, you have to understand how battery saver actually works. When you know how the battery saver work then you will the find the reasons why it not works.

When you open any application in your Android phone the operating system automatically creates cache memory which speeds up the application loading or opening time.

You can see that when you open any application in your phone for the first time then the loading speed is much more when you open it for the second time or later. It's due to cache memory that generates by your phone operating system.

After creating the cache memory it takes much lower time to load an application in your phone. So cache memory is very important for the Android operating system or another operating system for fast loading.

Now what the battery saver is done by your battery saver app

Battery saver is doing a simple work is to clean the cache memory. For the first time, it looks the battery saver is working but after some time it again in the same condition, the phone is again slow down.

The Android Operating system again needs to create the cache memory which consumes more battery than without a battery saver application.

Is battery saver are safe?

The answer is yes! The battery saver is safe. But it can slowly decrease the phone performance because when you use it. Because of it cleans the very important memory in the phone called cache memory.

If you are going to use any battery saver on your android then there is an effect on your phone performance. Because when you using it your processor is really going to do hard work in generating of cache memory more and more, again and again, which increases the battery consumption.


Do battery saver works on iPhone?

The answer is no. Battery saver app actually not saving the iPhone battery. After boosting your phone battery in battery saver app it looks like the battery is saving but not actually.

Your iPhone operating system IOS is designed for automatically save and optimize the battery and how to manage your phone. So you not required any battery saver application in your iPhone.

 The battery saver tips that actually work

You have to know it that your android phone Operating System is designed for automatically save the phone battery and how to optimize it. So you have to don't worry about your phone battery saving.

But due to some mistakes, the phone battery is draining fast. Which you think that these tips save your phone batty but actually its consumes more battery.

If you have question how you can stop your battery draining fast then here I am going to gives you the tips that actually work for saving your phone battery.


By using the back/exist in your phone the phone understand it that you want to close that application. It's the best way because the cache memory is also saved and when you want to open the application again it loading time is less as compared to closed by minimizing. So it helps to save your phone battery.

2. Stop using minimize and close phone application.

If you doing this then it's one of the main reason why your phone battery is draining fast. By doing this the cache memory is also deleted with the app closing. When you again open the application the phone operating system is again going to generate the cache memory, so it consumes more battery of your phone.

3. Not to use the phone booster or phone cleaner application.

The phone booster or cleaner app doing the same thing as a battery saver application. It cleaned the cache memory and slow down the processor speed. So never use any cleaner or phone booster application. Your Android phone is to know how to use the phone memory and Ram(random access memory).


The phone normal temperature is around 37-43 degrees Celsius. When you feel it that your phone is overheated then stop using and take a time to cool down your phone. When your phone is overheated the phone hardware consumes more battery, because of when your phone is heated the internal resistance is increased and your phone is going to consume more power than usual it can take.


Flight Mode is one of the best methods of saving Android phone battery. When the phone network is not required or don't have any important call than use the flight mode. Your network connection consumes a lot of power you saw that when you are using the internet in your phone the battery is draining faster because it requires a more good network connection than usual.

You can see that when you are traveling for long distance the battery is drawing fast because of the fluctuating of the network. In some place, the network is good but in some place it is bad. While there is no network the phone network system is still finding for the network so it going to consume more power. The same thing happens when you are in low network place.

6. Delete/Uninstall the unwanted app from your phone.

There is a lot of application on our phone which is unuseful to us. The unwanted apps are consuming the ram of your phone also it's going to consume the battery. So when you delete or uninstall the unwanted apps from your phone the ram is cleaned and it will save your phone battery.

7. Set less display brightness.

The phone display consumes more power than anyone hardware in your phone. When you go to your battery uses details in the settings application than you will able to see that the maximum power is consumed by your phone display or screen. So set the minimum brightness in which you can use your phone properly.

8. Select the best processor phone.

The processor is one of the main factors of proper management of battery uses. Select the best processor phone in your budget range phone.

I recommend you to use the newer processor because they are more advanced build quality.

9. Use the battery saver setting while you not using your phone.

A battery saver setting is coming with the operating system turn on it while you not using your phone. It will reduce the battery consumption of the phone.

But don't use this setting when you are using your phone. Because when you use your phone when it is turned ON then your phone consumes more power.

The system battery saver closes the app when you minimize it. When you using your android phone you are going to use multiple apps. If you are using your phone by turning on the battery saver then it going to automatically close and cleaning the cache data. So it will increase the loading time of application and consume more battery.


Conclusion

Finally, I think that you now understand that how battery saver actually works.

Never download any battery saver application it will consume your phone ram and also the battery.

Your android phone operating system is designed for how to use the phone battery properly, it does not require any battery saver application to save or manage the battery.

After a year of using your phone, the battery capacity is slightly decreasing about 10-20%. So if your phone battery is draining fast than is normal because of the life of your battery is decreasing. A battery saver cannot boost your phone battery but it can consume useful power from your phone.

The battery saver is in your hand. Use the phone in the proper way then you can save lots of useful power of phone battery.

What is air pollution in short?



Air pollution is the imbalance of air ratio i.e. Nitrogen, oxygen, carbon dioxide, argon, and other gases in the atmosphere which is harmful to the animals, plants and for a human.

In other words, air pollution is the biological or chemical, physical changes in the air with respect to the normal air in the atmosphere can be termed as pollution.

 In normal conditions the atmosphere has nitrogen(78.09%),  oxygen(20.95%), argon(0.93%), carbon dioxide(0.04%), and small amounts of other gases. Air also has a small variable amount of water vapor, which is average around 1% at sea level, and 0.4% over the entire atmosphere of earth.

Air pollution occurs due to harmful or excessive quantities of substances including gases, particulates, and biological or chemical molecules are introduced into Earth's atmosphere.

Air pollution causes-

There are mainly two types of causes of air pollution-

1. Natural pollution.

2. Man-made pollution.


What is natural air pollution?

The pollution which is occurred naturally or due to nature can be called natural pollution.

From a Natural word you might be able to know it that it is done by our environment. We can't control it. In a simple word, the air pollution done by nature or environment can be called Natural air pollution.

There are several causes of natural air pollutions.

1.Dust particle

2. Smoke

3. Forest fire

4. Pollen rain

5. Volcanic eruption


 There are several natural air pollutants including radon, fog and mist, ozone, ash, soot, salt spray, and volcanic and combustion gases are causes air pollution.

 Radon, which is a radioactive gas that seeps from the ground in some areas.

Dense water vapor fog and mist which are in a ground level that obscures vision.

Ozone is a form of oxygen, is a pollutant at the ground. It causes damages plants and breathing problems of human in the lower atmosphere.

Volcanic eruptions and forest, swamp and grass fires launch soot, carbon dioxide, and ash into the atmosphere, which reduces sunlight and lowers temperatures.

Due to Eruptions and fires produces carbon dioxide, carbon monoxide and other polluting gases which causes different types of diseases and is very harmful to life.


What is Man-made air pollution?



The pollution occurred due to human activities. The pollution which is occurred due to human activities such as combustion of fuel, use of electricity, transportation etc. are called human or artificial air pollution.

There are several causes of human or artificial air pollution. Different types of human activities caused by air pollution.

1. Burning

2. mining process

3. A spray of chemical fertilizer

4. Waste Material improper disposal


What is the effect of air pollution?

The air pollution is dangerous for the environment and its life's i.e. animals, plants and human.

Some air pollutes i.e. Nitrogen Dioxide, Sulphur Dioxide, Ozone etc are increasing the symptoms, irritate the airways of the lungs and causes lungs diseases.

The unwanted small particles in the air can be carried deep into the lungs of the body where they can cause inflammation and a worsening of heart and lung diseases.

Carbon Monoxide prevents the uptake of oxygen by the blood and lead to a significant reduction in the supply of oxygen to the heart and causes heart disease.

Air pollution is very dangerous for plants. Its decreases photosynthesis, productivity in plants.

Due to the high amount of air pollution global warming is causes. Due to global warming sea level is increased.

Air pollution also increases greenhouse gases(example: Carbon dioxide, Methane etc.) are gradually increased, therefore the average temperature of the earth is increasing. 

Air pollution destroys the ozone layer. Ozone (O3) is a gas which is present in the stratosphere which protects us from solar ultraviolet radiation. Air pollutant CFC (chlorofluorocarbons) which is also called ozone holder is present in the air conditioner, in the refrigerator has destroyed the ozone layer. 

The industrial burning of coal and other fossil fuels, the waste gases cause air pollution and it contains sulfur and nitrogen oxides which combine with atmospheric water and form acids. It falls into the earth surface as acid rain which is very harmful.  
Air pollution solutions

The control strategies to control the air pollutants are: 

1. We can convert the high harmful gases into less harmful gases by using different techniques. There are several physical and chemical methods like absorption method, an adsorption method, the scriber method can be used to convert the harmful gas into low harmful gases.

2. The plant has a main role in the control of air pollution. It absorbs the Carbon dioxide form environment. 

3. Use of modern techniques in an automobile to decrease the amount of smoke in the environment. 

4. The government should make some laws, which is strictly followed by the people. 

5. People should be aware of the harmful causes and effects of air pollutions. People need to know what strategies should be used for control the air pollution. 

6. People should use environmentally friendly fuel like CNG and other fuel which causes less air pollution. 

7. Recycle the waste material which decreases air pollution.